<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>菜品推销和促销</title>
</head>
<body>
<form method="post" action="/dish/off">
    促销菜品<input type="text" placeholder="皮蛋豆腐" name="dishname"><br>
    折扣力度<input type="number" placeholder="100" name="off" max="100" min="0">%(0代表缺货)<br>
    <input type="submit" value="提交">
</form>
</body>
</html>